08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

BNR 2871 owners step in!!

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Old 03-29-2012, 02:00 PM
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In a couple threads. I got tuned with some boost leaks (bov and a leak on the manifold) so I need a retune.

The tune itself is conservative (via area47) and I do have track numbers.

Best tine was 13.06 with a 2.34 60'
Best trap was 114.3
Elevation is 1304.
I was running about 24-25 psi.

I may or may not have dyno #'s after I get retuned Sunday.

A little thing im loving about this turbo, even tho right now my car is about as fast as an e85 ss/tc right now, the extra power all the way to 7k is awesome.

I can do a 60 roll in 2nd gear and I don't have to get into 3rd till 75mph.
Old 03-29-2012, 02:03 PM
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Originally Posted by FasterIsBetter
Did you try clocking the compressor side so that maybe the outlet on it could be angled differently or do you not think angle affected the install at all?
Angle is fine. The outlet and inlet of the turbo is only like 1/4-1/2 inch off from stock.
A zzp hotpipe with a 90* silicone elbow would work just fine.
Old 03-29-2012, 02:23 PM
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Originally Posted by Dart_SI
A little thing im loving about this turbo, even tho right now my car is about as fast as an e85 ss/tc right now, the extra power all the way to 7k is awesome.

I can do a 60 roll in 2nd gear and I don't have to get into 3rd till 75mph.
Thats what I LOVE about this turbo. It keeps pulling all the way there
Old 03-29-2012, 03:37 PM
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Originally Posted by Dart_SI
Best tine was 13.06 with a 2.34 60'
Best trap was 114.3
Elevation is 1304.
I was running about 24-25 psi.

A little thing im loving about this turbo, even tho right now my car is about as fast as an e85 ss/tc right now, the extra power all the way to 7k is awesome.

I can do a 60 roll in 2nd gear and I don't have to get into 3rd till 75mph.

Yeah my traps are slightly higher than that. From what i understand this was with a boost leak as well on a conservative tune? Or were the boost leaks fixed and it's just a conservative tune on these numbers?

I am jealous of the RPM range you have to work with though. Hell the 500 rpm difference from my 93 tune to my E85 tune feels great to me, i hate going back to 93.
Old 03-29-2012, 03:51 PM
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Boost leaks were fixed at the track but without a tune revision its not going to do jack. And area told me my timing is not aggressive at all. This is on 91 pump.

I hate 91.
Old 03-29-2012, 05:05 PM
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Originally Posted by Dart_SI
I hate 91.
Another reason Texas > Kansas.
Old 03-29-2012, 05:09 PM
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LOL yeah 93 here at least. Still, my LNF can only do like 13* of wot timing on 93 before it sees KR. Sucks cause most can run at least 16-18* on 93. When Im on the blend though, it feels great.
Old 03-29-2012, 05:20 PM
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Ill get tuned for a blend whenever I can get my hands on hptuners so I can switch to my 91 map for road trips.
Old 03-29-2012, 05:24 PM
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Originally Posted by Dart_SI
Ill get tuned for a blend whenever I can get my hands on hptuners so I can switch to my 91 map for road trips.
Nice. I had an accident during a nasty storm last week. Ran over some road debris, put a hole in the pan, damaged my IC, condenser and front lip. Insurance is picking up the tab so Im contempmating a new engine LOL

Miss my car. In a stupid HHR now. Feels like im kicking a donkey to make it go faster at WOT lol
Old 03-29-2012, 05:24 PM
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Originally Posted by ford
Another reason Texas > Kansas.
Hah, like we needed more reasons?
Old 03-29-2012, 08:10 PM
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I dont have the BNR but I can say I do love pulling to 7k rpm. 75 mph end of second and 110 end of third. It's the best. I just don't have power like you up there
Old 03-29-2012, 09:24 PM
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Originally Posted by cubaniche
Nice. I had an accident during a nasty storm last week. Ran over some road debris, put a hole in the pan, damaged my IC, condenser and front lip. Insurance is picking up the tab so Im contempmating a new engine LOL

Miss my car. In a stupid HHR now. Feels like im kicking a donkey to make it go faster at WOT lol
damn that's funny lol(the donkey and hhr). you going to the meet in the hhr?? when u get the car back,i want to see what it's like.
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